More examples

How Can CAPTCHA Be Displayed in an Own Component?

An example of using CAPTCHA on a page.

<?
require($_SERVER["DOCUMENT_ROOT"]."/bitrix/header.php");
$APPLICATION->SetTitle("Title");
?>
<?
if (isset($submit)) {
  echo 'сабмит прошел...<br>';
  echo $myname.'<br>';
  echo $cap.'<br>';
   if (!$GLOBALS["APPLICATION"]->CaptchaCheckCode($cap, $captcha_sid))
      {
         $error=true;
         echo 'error captcha
';
      }
}
?> <form id="linkForm" name="mailForm" action="test.php" method="post">
  <table cellspacing="3" cellpadding="0" width="100%" bgcolor="#eeeeee" border="0">
    <tbody>
      <tr><td valign="top" align="right">Name *</td><td><input size="40" value="" name="myname" /></td></tr>
      <tr><td valign="top" align="right">CAPTCHA *</td><td><?
                     $capCode = $GLOBALS["APPLICATION"]->CaptchaGetCode();
                     ?>
                     <input type="hidden" name="captcha_sid" value="<?= htmlspecialchars($capCode) ?>">
                     <img src="/bitrix/tools/captcha.php?captcha_sid=<?= htmlspecialchars($capCode) ?>" width="180" height="40"><br>
                     <input size="40" value="" name="cap" /></td></tr>
      <tr><td valign="top" align="right"> </td>
          <td><input type="submit" value="Sent" name="submit" />  <input type="reset" value="Сбросить" name="Reset" /></td></tr>
    </tbody>
  </table>
</form><?require($_SERVER["DOCUMENT_ROOT"]."/bitrix/footer.php");?>

How to Make a Component Invisible on the Home Page and Visible on Other Pages?

Solution:

if ($curPage = $APPLICATION->GetCurPage())
{
   if (($curPage != "/index.php"))
        {
            ....
        }
}

Bitrix Framework